DATAS SEGMENT
    ORG 2000H   
    SUR DW 1,2,1,1,-1,100,2,8,9,10
    N EQU $-SUR
    SUM DW ?
DATAS ENDS

CODES SEGMENT
    ASSUME CS:CODES,DS:DATAS
START:
	MOV AX,DATAS
    MOV DS,AX
  
    LEA SI,SUR
    MOV CX,N/2
    MOV SUM,0
    ADD SUM,0
AGAIN:
    MOV BX,[SI]
    ADC SUM,BX
    ADD SI,2
    DEC CX
    JNZ AGAIN
    
    MOV AH,4CH   
    INT 21H
CODES ENDS
    END START
